from Wiktionary, Creative Commons Attribution/Share-Alike License.

Etymologies

from The American Heritage® Dictionary of the English Language, 4th Edition

[Middle English bimonen, alteration (influenced by mone, moan) of bimenen, from Old English bemǣnan : be-, be- + mǣnan, to complain of; see mei-no- in Indo-European roots.]

from Wiktionary, Creative Commons Attribution/Share-Alike License

From Middle English bemenen, bimenen, from Old English bemǣnan ("to bemoan, bewail, lament"), equivalent to be- (“about, concerning”) +‎ moan. Alteration of vowel from Middle to Modern English due to analogy with moan.

Examples

For the retentive types who extra time on their hands to copy-edit others’ posts: yes I know how bemoan is actually spelled.

It noted that if it did repatriate cash it could change the company's effective tax rate; companies typically bemoan the high taxes on repatriated cash, and hope the U.S. government declares a temporary tax break on repatriation as it has occasionally done in the past.